85 lines
3.5 KiB
JavaScript
85 lines
3.5 KiB
JavaScript
import * as assert from 'assert';
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import * as OV from '../../source/engine/main.js';
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import { GetModelWithOneMesh, GetTetrahedronMesh, GetTwoCubesConnectingInOneEdgeModel, GetTwoCubesConnectingInOneFaceModel, GetTwoCubesConnectingInOneVertexModel } from '../utils/testutils.js';
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export default function suite ()
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{
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describe ('Topology', function () {
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it ('Tetrahedron Topology Calculation', function () {
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let tetrahedron = GetModelWithOneMesh (GetTetrahedronMesh ());
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let topology = OV.GetTopology (tetrahedron);
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assert.ok (OV.IsTwoManifold (tetrahedron));
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assert.strictEqual (topology.vertices.length, 4);
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assert.strictEqual (topology.edges.length, 6);
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assert.strictEqual (topology.triangleEdges.length, 4 * 3);
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assert.strictEqual (topology.triangles.length, 4);
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for (let i = 0; i < topology.vertices.length; i++) {
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assert.strictEqual (topology.vertices[i].edges.length, 3);
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assert.strictEqual (topology.vertices[i].triangles.length, 3);
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}
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for (let i = 0; i < topology.edges.length; i++) {
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assert.strictEqual (topology.edges[i].triangles.length, 2);
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}
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});
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it ('Cube Topology Calculation', function () {
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let cube = GetModelWithOneMesh (OV.GenerateCuboid (null, 1.0, 1.0, 1.0));
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assert.ok (OV.IsTwoManifold (cube));
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let topology = OV.GetTopology (cube);
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assert.strictEqual (topology.vertices.length, 8);
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assert.strictEqual (topology.edges.length, 12 + 6);
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assert.strictEqual (topology.triangleEdges.length, 6 * 2 * 3);
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assert.strictEqual (topology.triangles.length, 6 * 2);
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let verticesWith4Triangles = 0;
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let verticesWith5Triangles = 0;
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let verticesWith4Edges = 0;
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let verticesWith5Edges = 0;
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for (let i = 0; i < topology.vertices.length; i++) {
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if (topology.vertices[i].triangles.length == 4) {
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verticesWith4Triangles += 1;
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} else if (topology.vertices[i].triangles.length == 5) {
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verticesWith5Triangles += 1;
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}
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if (topology.vertices[i].edges.length == 4) {
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verticesWith4Edges += 1;
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} else if (topology.vertices[i].edges.length == 5) {
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verticesWith5Edges += 1;
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}
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}
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assert.strictEqual (verticesWith4Triangles, 4);
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assert.strictEqual (verticesWith5Triangles, 4);
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assert.strictEqual (verticesWith4Edges, 4);
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assert.strictEqual (verticesWith5Edges, 4);
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for (let i = 0; i < topology.edges.length; i++) {
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assert.strictEqual (topology.edges[i].triangles.length, 2);
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}
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});
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it ('Two Cubes Connecting in One Vertex Topology Calculation', function () {
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const model = GetTwoCubesConnectingInOneVertexModel ();
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let topology = OV.GetTopology (model);
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assert.strictEqual (topology.vertices.length, 15);
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assert.ok (OV.IsTwoManifold (model));
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});
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it ('Two Cubes Connecting in One Edge Topology Calculation', function () {
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const model = GetTwoCubesConnectingInOneEdgeModel ();
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let topology = OV.GetTopology (model);
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assert.strictEqual (topology.vertices.length, 14);
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assert.ok (OV.IsTwoManifold (model));
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});
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it ('Two Cubes Connecting in One Face Topology Calculation', function () {
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const model = GetTwoCubesConnectingInOneFaceModel ();
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let topology = OV.GetTopology (model);
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assert.strictEqual (topology.vertices.length, 12);
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assert.ok (OV.IsTwoManifold (model));
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});
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});
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}
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